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AT25256B-MAPDGV-T

Name: AT25256B-MAPDGV-T
Rating: 4.7 (12 reviews)

IC EEPROM 256KBIT SPI 5MHZ 8UDFN

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Mfr.부분 #AT25256B-MAPDGV-T
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데이터시트 AT25256B-MAPDGV-T DataSheet
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사양

Part Status	Active
DigiKey Programmable	Not Verified
Memory Type	Non-Volatile
Memory Format	EEPROM
Technology	EEPROM
Memory Size	256Kbit
Memory Organization	32K x 8
Memory Interface	SPI
Clock Frequency	5 MHz
Write Cycle Time - Word, Page	5ms
Voltage - Supply	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 125°C (TA)
Mounting Type	Surface Mount
Package / Case	8-UFDFN Exposed Pad
Supplier Device Package	8-UDFN (2x3)
Base Product Number	AT25256
Grade	Automotive
Qualification	AEC-Q100

개요

Description

The AT25256B-MAPDGV-T is a memory device from Microchip Technology, specifically a 256 Kbit (32 K x 8) Serial EEPROM (Electrically Erasable Programmable Read-Only Memory). It utilizes the I^2C interface for communication, allowing for efficient data transfer between the EEPROM and microcontrollers or other devices. The component is designed for applications requiring non-volatile memory storage, such as in consumer electronics, automotive systems, and industrial applications.
Key features include a wide operating voltage range (typically 1.8V to 5.5V), low power consumption, and high endurance with the capability to endure up to 1 million write cycles. The AT25256B-MAPDGV-T is offered in various packaging options, making it suitable for compact designs. It also includes built-in write protection and a simple command structure, which streamlines integration into various systems. Overall, this EEPROM is a reliable choice for developers needing a compact and efficient non-volatile memory solution.

Features

The AT25256B-MAPDGV-T is a 256Kb (32K x 8) serial EEPROM from Atmel (now part of Microchip Technology). Key features include:
1. Memory Organization: 32K x 8 bits with a single-byte write capability.
2. Interface: Utilizes a 2-wire I2C interface for communication, supporting standard (100 kHz) and fast (400 kHz) modes.
3. Voltage Range: Operates typically at 2.5V to 5.5V, making it suitable for low-power applications.
4. Data Retention: Provides a data retention guarantee of up to 100 years, ensuring long-term storage.
5. Endurance: Each memory cell supports up to 1 million write/erase cycles, ensuring reliability over time.
6. Package Type: Available in an 8-lead TSSOP package, which is compact for space-constrained designs.
7. Write Protection: Includes a write-protect feature to prevent accidental data alteration.
This EEPROM is ideal for applications requiring non-volatile data storage, such as configuration settings, calibration data, and user preferences in various electronic devices.

Package

The AT25256B-MAPDGV-T is packaged in an 8-pin, 150 mil SOIC (Small Outline Integrated Circuit) format. This type of package is designed for surface-mount applications, providing compact dimensions suitable for various electronic devices.

Pinout

The AT25256B-MAPDGV-T is a 256 Kbit EEPROM memory device packaged in an 8-lead SOIC (Small Outline Integrated Circuit) format. It features a total of 8 pins. The pin configuration and their functions are as follows:
1. VCC: Power supply voltage.
2. GND: Ground reference.
3. SCL: Serial clock input for I2C communication.
4. SDA: Serial data input/output for I2C communication.
5. WP: Write protect pin; when held high, it protects memory from being altered.
6. A0: Address pin used to select one of multiple devices on the same I2C bus.
7. A1: Another address pin for device selection.
8. A2: A third address pin for additional device selection.
This EEPROM device is commonly used for non-volatile data storage in various applications, including consumer electronics and embedded systems.

Manufacturer

The AT25256B-MAPDGV-T is manufactured by Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989 and headquartered in Chandler, Arizona, the company specializes in developing embedded control solutions for a wide range of applications, including automotive, industrial, consumer, and communications. Microchip is known for its commitment to innovation and quality in semiconductor technology, offering a broad portfolio of products, including memory, microcontrollers, and analog devices, aimed at enhancing the performance and efficiency of electronic designs.

Application

The AT25256B-MAPDGV-T is a 256 Kbit Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) used in applications such as data storage, configuration settings, and firmware updates in consumer electronics, automotive systems, industrial controls, and medical devices. Its features include low power consumption and high reliability, making it suitable for applications requiring non-volatile memory.

Equivalent

The AT25256B-MAPDGV-T chip is a 256 Kbit EEPROM. Equivalent products include:
1. Microchip 25AA256
2. STMicroelectronics M25P256
3. Winbond W25X40
4. NXP (Philips) M93C56
Always confirm pin compatibility and specifications before substituting.